/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraScriptExecutionContext.h
Unused. These are only useful in the new SystemScript context.
virtual void BindSystemInstances ( [TArray](API\Runtime\Core\Containers\TArray)< [FNiagaraSystemInstance](API\Plugins\Niagara\FNiagaraSystemInstance) * > & InSystemInstances )